This price rare spy weapon (forgotten weapons) was found while metal detecting for civil war relics and we interview legendary relic hunter Steve Phillips who found it. This is believed to be the same type of weapon used to sink the Sultana. This rare weapon is called a coal torpedo and is one of only 4 known to exist in the world. This is the ONLY one known to exist that has been found after the war. Two were recovered after the American Civil War at the Confederate spy headquarters in Canada.